1r3m

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Image:1r3m.gif

1r3m, resolution 2.2Å

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Crystal structure of the dimeric unswapped form of bovine seminal ribonuclease

Overview

Bovine seminal ribonuclease is a unique case of protein dimorphism, since, it exists in two dimeric forms, with different biological and kinetic, behavior, which interconvert into one another through three-dimensional, swapping. Here we report the crystal structure, at 2.2 A resolution, of, the unswapped form of bovine seminal ribonuclease. Besides completing the, structural definition of bovine seminal ribonuclease conformational, dimorphism, this study provides the structural basis to explain the, dependence of the enzyme cooperative effects on its swapping state.

About this Structure

1R3M is a Single protein structure of sequence from Bos taurus with PO4 as ligand. Active as Pancreatic ribonuclease, with EC number 3.1.27.5 Full crystallographic information is available from OCA.

Reference

Crystal structure of the dimeric unswapped form of bovine seminal ribonuclease., Berisio R, Sica F, De Lorenzo C, Di Fiore A, Piccoli R, Zagari A, Mazzarella L, FEBS Lett. 2003 Nov 6;554(1-2):105-10. PMID:14596923

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